What evidence shows that the uprisings at Treblinka and Sobibor were not a complete failure?

-Both camps were closed after the uprising.

-Prisoners attacked and killed SS men and guards.

-Thousands of prisoners escaped and were never captured.

-All gas chambers in camps were shut down.

The answer is, Thousands of prisoners escaped and were never captured.

Despite the punishments experienced by prisoners in Sobibor, many of them had escaped. Prisoners also made some tactical plans which were well done.

In Treblinka, there are some who had escaped but mostly were not as successful.